Theben Elpa 540 App BN

Staircase lighting timer switch, electronic multifunction device, compact flush-mounted design for easy retrofitting in existing installations, existing wiring can be retained, control via existing push-buttons or switches, configuration via Bluetooth app with settings hidden from residents for maximum tamper resistance, networkable and expandable via Bluetooth Mesh without the need for a central controller, automatic synchronization of all settings across all integrated devices in the network, cable lengths of up to 100 m between operating points possible, adjustable run-on time from 0.5 to 60 minutes, countdown timer function with a runtime of up to 24 hours adjustable via push-button in long-term mode, switch-off warning can be enabled or disabled for increased convenience and safety, can be switched on at any time and switched off prematurely, silent switching without audible relay clicking, additional fan control application with adjustable run-on time (4 different functions via edge evaluation), can also be implemented in two-way switching circuits through rewiring, existing switches do not need to be replaced.